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skelet666 [1.2K]
3 years ago
15

Which conditions relate to the research of van Helmont

Biology
2 answers:
Blababa [14]3 years ago
7 0
Plant mass that is related to H20.
il63 [147K]3 years ago
5 0

The VanHelmont experiment consists of a measure of the amount of soil before and after a plant grows.

He wants to demonstrate the independence of soil.

After five years he measures the amount of soil and only 2oz gone from the initial amount of soil when the plant weight much more.

The conclusion was the plant use water to grow, and not the soil.

Afterward, he discovers CO2 but, not until the discovery of photosynthesis we all knew how everything in plants works.

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Match the layers of the Earth to their proper composition.
murzikaleks [220]
Lithosphere would go with Solid Rock.
Outer Core would go with Liquid Iron.
Inner Core would go with Solid Iron.
Asthenosphere would go with Liquid Rock.
Hope I helped!
8 0
3 years ago
The muscular system helps maintain body temperature. Explain why humans shiver in the cold. Be sure to discuss the process of ce
docker41 [41]
The muscular system contributes to maintaining homeostasis by working with other body systems to regulate body temperature and dilate or constrict blood vessels close to the skin's surface, according to OpenCurriculum. The muscular, nervous, cardiovascular, endocrine and integumentary systems work together to cause sweating and shivering in the body, which contribute to homeostasis.
3 0
3 years ago
With respect to angiosperms, which of the following is incorrectly paired with its chromosome count?
Ierofanga [76]

Answer:

Megaspore—2n.

Explanation:

Angiosperms are the fruit bearing plants and reproduce by the process of sexual reproduction. The chromosome number are specific at each stage of the cell cycle of the angiosperms.

Microspores , egg are haploid. Zygote is diploid in nature. Megaspores get germinate into the female gametophytes and these are haploid in nature. Megaspores are also haploid in angiosperms.

Thus, the correct answer is option (b).

7 0
3 years ago
Which question can be answered by science?
Zinaida [17]

Answer:

A. What is the effect of pesticides on the environment

Explanation: I just took the test

5 0
3 years ago
PLEASE HELP 5TH GRADE SCIENCEEEE AHHHHHHHHH PLEASE HELP ME IM GONNA FAIL IF I DONT GET THIS Alanna spots a bird in her back yard
Morgarella [4.7K]

Answer:

The purpose of the outer covering of the bird helps keep it warm and to help it fly, whilst the outer cover of the tree is to protect it from bugs. 

Explanation:

8 0
2 years ago
Read 2 more answers
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